Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1800 - 1839 1840 - 1952 1953 - 1961 1962 - 1988 1989 - 2000 oberste German
1800 - 1823 1824 - 1953 1954 - 1964 1965 - 1979 1980 - 2000 obersten German

Run your own experiment! Raw data is available for download here.
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